These images are free to use as you like as long as you attribute to this website (colonize-the-moon.com). Since the images have the url in them, using them is okay. If you make modifications it’s okay, as long as you still attribute. The license can be found here.

These images are in the bookSpaceWars, but you don’t have to read the book to understand them.

The Backup, if these images take too much time to load, then check out the imgur backups. The ones here are the full size uncompressed versions, so they may take some time to load.

Estimation of time it takes to get to various planets and locations in the solar system

Delta-v to the places most people talk about sending humans to

Delta-V can be used to figure out how much fuel you need

If you’re going into space make sure to drop all the weight you possibly can

Past LEO there is no protection from a solar flare.

Artificial Gravity is easy in space (no new tech needed)

Water is rocket fuel, but not all rocket fuel is water

Oddly, the delta-v from the moon to earth is lower than from earth to the moon

Space based solar power is the ultimate in renewable energy.

Supply lines for the factories in Lagrange space. The moon trade from the viewpoint of earth is energy and communications satellites (the true cloud computers).